The main reason why most condenser coils are coated is that they’re located in a harsh environment. These environments can be natural (saltwater) or manufactured (chemicals), but in either case, a coating will lead to increased unit longevity, maintained performance, and efficiency.
Bob Forty knows all about condensing coils. As president of Energy Services Air Conditioning and Heating Co., and a 30-year self-proclaimed student of the hvac industry, Forty has seen a lot of trends come and go. One of the trends he’s not happy about at all is condensing coils that are made from aluminum (aluminum tube/aluminum fin).
Ductless systems have been popular in Europe and much of Asia for many years, and they’re gaining popularity in the U.S. However, there are still some who believe ductless systems can be used for cooling-only applications. Or, they should only be used in retrofit situations where it’s not possible to install ductwork. But the world of ductless is being shaken up.
In the last two or three years, mini-splits have enjoyed wider popularity, due in part to the fact that a whole generation has now lived with them and found them to work well.
Local contractors note that business is a little slower than usual, as many casinos are putting their projects on hold for at least six months, hoping that people will begin to travel again.